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Out of 1000 persons born only 800 reach that age of 10, and out of every 1000 who reach the age of 10,850 reach the age 40, out of every thousand who reach the age of 40, 25 die in one year. What is the probability that a person would attain the age of 41?

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The correct Answer is:
`P(A) = (n(A))/(n(S))=663/1000 = 0.663`
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MARVEL PUBLICATION-PROBABILITY-MULTIPLE CHOICE QUESTIONS
  1. Out of 1000 persons born only 800 reach that age of 10, and out of eve...

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  2. Set of all possible outcomes of an experiment is called its

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  3. If S is the sample space of an experiment, than S must contain

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  4. If S(1),S(2) are the sample spaces of an experiment at the first two t...

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  5. If A an event in a sample space S, then

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  6. If P(A) denotes the probability of an event, then

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  7. Which of the following subsets of a sample space S represents an impos...

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  8. Probability of an impossible event

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  9. Which of the following subsets of a sample space S represents a certai...

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  10. The probability of a certain event is 0 (b) 1 (c) greater than 1...

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  11. A coin is tossed once. Write its sample space.

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  12. If one coin is tossed twice (or two coins tossed once), then the sampl...

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  13. If a coin is tossed three times (or three coins are tossed together...

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  14. If one coin is tossed n times (or n coins tossed once), then the numbe...

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  15. If one die is rolled once, then the sample space is

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  16. If one die is rolled n times (or n dice rolled once), then the number ...

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  17. If s is the total score when two dice are thrown once then

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  18. Indicate the probability of the following events an even number, in ...

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  19. If one die is rolled then find the probability of each of the followin...

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  20. Indicate the probability of the following events a prime number, in ...

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  21. Indicate the probability of the following events a number which is b...

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